SNAU306 June 2024 LMKDB1104
Table 3-1 describes the default jumper configuration of the EVM to power the device from an external power supply option. Configure the EVM as specified in Table 3-1 for initial bring up. The EVM can also be configured to use an onboard 3.3V LDO with USB supply option by changing the position of jumper JP10 as described in Table 3-1.
Category | Reference Designator | Default Position | Description |
---|---|---|---|
Power | J15 | 1-2 | Connect USB or external supply to VDDA of device. |
J16 | 1-2 | Connect USB or external supply to output bank and digital supply of the chip (VDD). | |
J17 | 1-2 | Connect USB or external supply to IO pins on board (VDD_IO). | |
JP10 | 1-2 | Choose between USB power supply and external. Current configuration is for external power supply option. To change to USB option, change jumper position to 2-3. | |
Output enable control pins | JP7, JP5, JP3, JP2 | 2-3 | Pull down to GND to enable output (OE#0, OE#1, OE#2, OE#3) with pin control option. |
SMBus address control pins | JP9, JP6 | - | Refer to Table 4-7 for selecting SMBus address. |
Digital pins | JP4 | 1-2 | CLKPWRGD_PD# pulled high. |
JP8 | 2-3 | SBI_EN pin = GND. | |
J14 | 1-2 | SN74LVC125 buffer enable control pin. Default pull down to VDD. | |
JP1 | 2-3 | SLEWRATE_SEL pin pulled low by default. |